Bob Paris
Emery I. Balazs
William Tidd
U.S. Coast and Geodetic Survey.
U.S. Coast and Geodetic Survey
L. A. Cole
Bob Jackson-Paris
United States Geological Survey
J. G. Staack
Johnny Bench
Emery I Balazs
Thomas D. Gilmore
Editors of Woodworker's Journal
Hamilton (Ont.). City Engineer's Dept.
Glenn A. Cooper
John Impey
Unknown Author
Christopher Layer